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1 /* |
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2 * Copyright (c) 2006-2008 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: Implements CCatalogsStringManager class |
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15 * |
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16 */ |
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17 |
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18 |
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19 #include "catalogsstringmanager.h" |
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20 #include "catalogsrefstring.h" |
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21 #include "catalogsconstants.h" |
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22 |
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23 #include "catalogsdebug.h" |
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24 |
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25 |
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26 CCatalogsStringManager* CCatalogsStringManager::iStringManager = NULL; |
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27 |
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28 |
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29 |
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30 // --------------------------------------------------------------------------- |
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31 // NewL |
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32 // --------------------------------------------------------------------------- |
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33 // |
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34 CCatalogsStringManager* CCatalogsStringManager::NewL() |
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35 { |
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36 CCatalogsStringManager* self = new( ELeave ) CCatalogsStringManager; |
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37 CleanupStack::PushL( self ); |
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38 self->ConstructL(); |
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39 CleanupStack::Pop( self ); |
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40 return self; |
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41 } |
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42 |
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43 |
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44 // --------------------------------------------------------------------------- |
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45 // Delete |
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46 // --------------------------------------------------------------------------- |
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47 // |
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48 void CCatalogsStringManager::Delete() |
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49 { |
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50 delete iStringManager; |
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51 iStringManager = NULL; |
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52 } |
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53 |
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54 |
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55 // --------------------------------------------------------------------------- |
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56 // Sets new string manager |
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57 // --------------------------------------------------------------------------- |
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58 // |
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59 void CCatalogsStringManager::SetStringManager( |
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60 CCatalogsStringManager* aManager ) |
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61 { |
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62 delete iStringManager; |
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63 iStringManager = aManager; |
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64 } |
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65 |
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66 |
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67 // --------------------------------------------------------------------------- |
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68 // |
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69 // --------------------------------------------------------------------------- |
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70 // |
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71 CCatalogsStringManager::~CCatalogsStringManager() |
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72 { |
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73 TInt count = iStrings.Count(); |
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74 while ( count-- ) |
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75 { |
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76 #ifdef CATALOGS_BUILD_CONFIG_DEBUG |
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77 // Check that every string has refcount 1 |
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78 RStringArray& array = iStrings[ count ]; |
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79 TInt arrayCount = array.Count(); |
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80 while( arrayCount-- ) |
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81 { |
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82 DLTRACE(( _L("Unreleased string: %S, refcount: %d"), |
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83 &array[ arrayCount ]->String(), |
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84 array[ arrayCount ]->RefCount() )); |
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85 } |
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86 DASSERT( array.Count() == 0 ); |
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87 #endif |
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88 // Call Release() for each string |
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89 iStrings[ count ].ResetAndDestroy(); |
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90 } |
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91 iStrings.Close(); |
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92 delete iSearchString; |
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93 |
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94 } |
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95 |
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96 |
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97 // --------------------------------------------------------------------------- |
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98 // |
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99 // --------------------------------------------------------------------------- |
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100 // |
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101 const CCatalogsRefString& CCatalogsStringManager::StringL( |
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102 TInt aType, |
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103 const TDesC& aString ) |
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104 { |
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105 RStringArray& array = ArrayL( aType ); |
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106 |
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107 TInt index = FindString( array, aString ); |
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108 if ( index == KErrNotFound ) |
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109 { |
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110 |
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111 HBufC* copy = aString.AllocL(); |
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112 // Ownership is transferred |
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113 return AddStringL( array, copy ); |
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114 } |
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115 |
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116 array[index]->AddRef(); |
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117 return *array[index]; |
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118 } |
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119 |
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120 |
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121 // --------------------------------------------------------------------------- |
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122 // |
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123 // --------------------------------------------------------------------------- |
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124 // |
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125 const CCatalogsRefString& CCatalogsStringManager::StringL( |
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126 TInt aType, |
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127 HBufC* aString ) |
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128 { |
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129 DASSERT( aString ); |
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130 |
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131 CleanupStack::PushL( aString ); |
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132 RStringArray& array = ArrayL( aType ); |
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133 |
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134 TInt index = FindString( array, *aString ); |
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135 if ( index == KErrNotFound ) |
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136 { |
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137 |
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138 CleanupStack::Pop( aString ); |
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139 // Ownership is transferred |
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140 return AddStringL( array, aString ); |
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141 } |
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142 |
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143 CleanupStack::PopAndDestroy( aString ); |
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144 array[index]->AddRef(); |
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145 return *array[index]; |
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146 } |
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147 |
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148 |
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149 // --------------------------------------------------------------------------- |
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150 // |
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151 // --------------------------------------------------------------------------- |
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152 // |
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153 void CCatalogsStringManager::ReleaseString( |
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154 TInt aType, |
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155 const CCatalogsRefString& aString ) |
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156 { |
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157 // Only nodeidentifiermanager has a reference, release it entirely |
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158 if ( aString.Release() == 1 ) |
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159 { |
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160 // The string MUST be in the array and aType must be correct |
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161 DASSERT( iStrings.Count() > aType ); |
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162 RStringArray& array = iStrings[ aType ]; |
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163 array.Remove( array.FindInOrder( &aString, iOrder ) ); |
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164 |
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165 // Final delete |
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166 aString.Release(); |
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167 } |
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168 } |
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169 |
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170 |
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171 // --------------------------------------------------------------------------- |
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172 // |
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173 // --------------------------------------------------------------------------- |
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174 // |
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175 void CCatalogsStringManager::ReleaseString( |
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176 TInt aType, |
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177 const CCatalogsRefString*& aString ) |
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178 { |
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179 if ( aString ) |
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180 { |
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181 ReleaseString( aType, *aString ); |
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182 aString = NULL; |
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183 } |
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184 } |
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185 |
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186 // --------------------------------------------------------------------------- |
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187 // |
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188 // --------------------------------------------------------------------------- |
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189 // |
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190 CCatalogsStringManager::CCatalogsStringManager() |
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191 : iOrder( CCatalogsRefString::Order ) |
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192 { |
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193 } |
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194 |
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195 // --------------------------------------------------------------------------- |
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196 // |
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197 // --------------------------------------------------------------------------- |
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198 // |
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199 void CCatalogsStringManager::ConstructL() |
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200 { |
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201 iSearchString = new( ELeave ) CCatalogsRefSearchString( KNullDesC ); |
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202 } |
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203 |
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204 // --------------------------------------------------------------------------- |
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205 // |
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206 // --------------------------------------------------------------------------- |
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207 // |
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208 CCatalogsStringManager::RStringArray& |
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209 CCatalogsStringManager::ArrayL( TInt aIndex ) |
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210 { |
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211 while ( aIndex >= iStrings.Count() ) |
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212 { |
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213 DLTRACE(("Creating new arrays")); |
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214 RStringArray array( KStringArrayGranularity ); |
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215 CleanupClosePushL( array ); |
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216 iStrings.AppendL( array ); |
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217 CleanupStack::Pop( &array ); |
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218 } |
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219 return iStrings[ aIndex ]; |
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220 } |
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221 |
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222 |
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223 // --------------------------------------------------------------------------- |
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224 // |
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225 // --------------------------------------------------------------------------- |
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226 // |
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227 TInt CCatalogsStringManager::FindString( |
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228 const RStringArray& aArray, |
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229 const TDesC& aString ) const |
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230 { |
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231 // This is class is a wrapper that is used for searching. It doesn't copy |
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232 // the search string |
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233 iSearchString->SetString( aString ); |
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234 TInt index = aArray.FindInOrder( iSearchString, iOrder ); |
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235 return index; |
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236 } |
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237 |
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238 |
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239 // --------------------------------------------------------------------------- |
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240 // |
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241 // --------------------------------------------------------------------------- |
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242 // |
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243 const CCatalogsRefString& CCatalogsStringManager::AddStringL( |
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244 RStringArray& aArray, |
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245 HBufC* aString ) |
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246 { |
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247 // Ownership of aString is transferred. aString is deleted by |
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248 // NewLC if it leaves |
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249 CCatalogsRefString* refString = CCatalogsRefString::NewLC( aString ); |
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250 aArray.InsertInOrderL( refString, iOrder ); |
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251 CleanupStack::Pop( refString ); |
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252 refString->AddRef(); |
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253 return *refString; |
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254 } |
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255 |